240300077 has 2 divisors, whose sum is σ = 240300078. Its totient is φ = 240300076.

The previous prime is 240300019. The next prime is 240300079. The reversal of 240300077 is 770003042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126472516 + 113827561 = 11246^2 + 10669^2 .

It is a cyclic number.

It is not a de Polignac number, because 240300077 - 2¹⁶ = 240234541 is a prime.

Together with 240300079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240300079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120150038 + 120150039.

It is an arithmetic number, because the mean of its divisors is an integer number (120150039).

Almost surely, 2^240300077 is an apocalyptic number.

It is an amenable number.

240300077 is a deficient number, since it is larger than the sum of its proper divisors (1).

240300077 is an equidigital number, since it uses as much as digits as its factorization.

240300077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 240300077 is about 15501.6153029289. The cubic root of 240300077 is about 621.7053958227.

The spelling of 240300077 in words is "two hundred forty million, three hundred thousand, seventy-seven".